Joint transform correlator architecture with a single LCTV operating in phase-mostly mode

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We propose three different methods for pattern recognition that use a joint transform correlator architecture. They are based on the use of a liquid crystal television operating in a phase-mostly mode along all the process. This feature makes these methods suitable to work with low levels of illumin...

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Autor principal: Ledesma, Silvia Adriana
Otros Autores: Iemmi, Claudio César, Campos, J., Yzuel, M.J
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: Elsevier 1998
Acceso en línea:Registro en Scopus
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100 1 |a Ledesma, Silvia Adriana 
245 1 0 |a Joint transform correlator architecture with a single LCTV operating in phase-mostly mode 
260 |b Elsevier  |c 1998 
270 1 0 |m Campos, J.; Grupo de Óptica, Univ. Autónoma de Barcelona, E-08193 Bellaterra, Spain; email: ifop8@cc.uab.es 
504 |a Weaver, C.S., Goodman, J.W., (1966) Appl. Optics, 5, p. 1248 
504 |a Javidi, B., (1989) Appl. Optics, 28, p. 2358 
504 |a Javidi, B., Wang, J., Tang, Q., (1991) Appl. Optics, 30, p. 4234 
504 |a Javidi, B., Wang, J., Tang, Q., (1994) Pattern Recognition, 24, p. 523 
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504 |a Gregory, D.A., Loudin, J.A., Kirsch, J.C., Tam, E.G., Yu, F.T.S., (1991) Appl. Optics, 30, p. 1374 
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504 |a Javidi, B., Horner, J.L., (1989) Appl. Optics, 28, p. 1027 
504 |a Javidi, B., Wang, J., (1991) Appl. Optics, 30, p. 967 
504 |a Carnicer, A., Martín-Badosa, E., Juvells, I., Vallmitjana, S., (1995) Optics Comm., 114, p. 336 
504 |a Kallman, R., Goldstein, D., (1994) Opt. Eng., 33, p. 1806 
504 |a Styczynski, K., Campos, J., Yzuel, M.J., Chalasinska-Macukow, K., (1995) Optics Comm., 118, p. 193 
504 |a Ersoy, O., Zeng, M., (1989) J. Opt. Soc. Am., 6, p. 636 
504 |a Ersoy, O., Yoon, Y., Keshaura, N., Zimmerman, D., (1990) Opt. Eng., 29, p. 1002 
504 |a Turon, F., Ahouzi, E., Campos, J., Chalasinska-Macukow, K., Yzuel, M.J., (1994) Appl. Optics, 33, p. 2188 
504 |a Rosen, J., Kotzer, J., Shamir, J., (1991) Optics Comm., 83, p. 10 
504 |a Kotzer, T., Rosen, J., Shamir, J., (1992) Appl. Optics, 31, p. 1126 
504 |a Cohn, R., (1993) Appl. Optics, 32, p. 718 
504 |a Ahouzi, E., Campos, J., Chalasinska-Macukow, K., Yzuel, M.J., (1994) Optics Comm., 110, p. 27 
504 |a Ahouzi, E., Iemmi, C., Ledesma, S., Lashin, V., Chalasinska-Macukow, K., Campos, J., Yzuel, M.J., (1997) Appl. Phys. B, 64, p. 331 
504 |a Wang, J., Javidi, B., (1994) Opt. Eng., 33, p. 1793 
504 |a Martín-Badosa, E., Carnicer, A., Juvells, I., Vallmitjana, S., (1997) Meas. Sci. Technol., 8, p. 764 
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506 |2 openaire  |e Política editorial 
520 3 |a We propose three different methods for pattern recognition that use a joint transform correlator architecture. They are based on the use of a liquid crystal television operating in a phase-mostly mode along all the process. This feature makes these methods suitable to work with low levels of illumination. In the first step of the joint transform correlation the scene and the reference are phase encoded. In the second step we obtain the correlation function by three different ways. The first one is based on the phase encoding of the joint transform spectrum. In the second one the interference term of the joint spectrum is binarized, and in the third one we extract the phase distribution of the joint transform spectrum. The last method allows us to obtain the pure phase correlation. These methods are experimentally implemented and the results are compared with those obtained with the amplitude binarization method. Effects of quantization and saturation are numerically simulated for the phase extraction method. © 1998 Elsevier Science B.V. All rights reserved.  |l eng 
536 |a Detalles de la financiación: Universidad de Buenos Aires 
536 |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas 
536 |a Detalles de la financiación: Fundación Antorchas 
536 |a Detalles de la financiación: Dirección General de Enseñanza Superior e Investigación Científica, PB96-1134-C02-01 
536 |a Detalles de la financiación: This work has been financed by Dirección General de Enseñanza Superior under project PB96-1134-C02-01, and Proyecto de Cooperación con Iberoamérica, Universidad de Buenos Aires, CONICET, Antorchas (Argentina). S. Ledesma thanks the support of ICI. C. Iemmi thanks the support of Dirección General de Enseñanza Superior, Spain. 
593 |a Departamento de Física, Fac. de Ciencias Exactas y Naturales, Ciudad Universitaria, 1428 Buenos Aires, Argentina 
593 |a Grupo de Óptica, Univ. Autónoma de Barcelona, E-08193 Bellaterra, Spain 
690 1 0 |a JOINT TRANSFORM CORRELATOR 
690 1 0 |a LIQUID CRYSTAL TV 
690 1 0 |a PATTERN RECOGNITION 
690 1 0 |a COMPUTER SIMULATION 
690 1 0 |a ENCODING (SYMBOLS) 
690 1 0 |a OPTICAL DESIGN 
690 1 0 |a PATTERN RECOGNITION 
690 1 0 |a SPECTRUM ANALYSIS 
690 1 0 |a TELEVISION 
690 1 0 |a JOINT TRANSFORM CORRELATORS (JTC) 
690 1 0 |a LIQUID CRYSTAL TELEVISION (LCTV) 
690 1 0 |a PHASE EXTRACTION METHOD 
690 1 0 |a OPTICAL CORRELATION 
700 1 |a Iemmi, Claudio César 
700 1 |a Campos, J. 
700 1 |a Yzuel, M.J. 
773 0 |d Elsevier, 1998  |g v. 151  |h pp. 101-109  |k n. 1-3  |p Opt Commun  |x 00304018  |w (AR-BaUEN)CENRE-276  |t Optics Communications 
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856 4 0 |u https://doi.org/10.1016/S0030-4018(98)00027-3  |y DOI 
856 4 0 |u https://hdl.handle.net/20.500.12110/paper_00304018_v151_n1-3_p101_Ledesma  |y Handle 
856 4 0 |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00304018_v151_n1-3_p101_Ledesma  |y Registro en la Biblioteca Digital 
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963 |a VARI 
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